Ondrives: Couplings - Oldham and Uni-lat Couplings

BG BGC : Oldham Couplings

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BG & BGC Type : Oldham Couplings : 2mm-30mm bores : Backlash Free

BGC Backlash Free Oldham Lateral Offset Coupling

Discounts

1+ 0%

6+ 12%

20+ 25%

40+ 33%

60+ 37%

100+ 42%

Part Number	Max Bore Dia.	ØD	L	C	Screw Size	Stat. Break Torque Nm	Peak Torque Nm	Weight g	Moment of Inertia Kgm²x10^-8	^+0.03ØA & ØB^-0.00Stock Bores Available	*Max Parallel Offset	Max Axial Play	Torsional Rate deg/Nm	Stiffness Nm/rad	Cost	Quantity	Add to Basket
SET SCREW FIXING
BG6	3.18	6.4	12.7	3.8	M3	0.7	0.06	2.5	6	Ø2,3	±0.10	±0.05	5.700	10	£20.00
BG9	5.00	9.5	12.7	3.8	M3	2.0	0.21	4.0	18	Ø3,4,5	±0.10	±0.05	1.900	30	£20.00
BG13	6.35	12.7	15.9	4.3	M3	4.0	0.50	11.0	26	Ø3,4,6,6.35	±0.10	±0.05	0.880	65	£20.18
BG19	8.00	19.1	22.0	6.3	M3	10.0	1.70	12.0	67	Ø4,5,6,6.35,8	±0.20	±0.10	0.500	115	£22.37
BG25	12.00	25.4	28.4	8.6	M4	13.0	4.00	31.0	252	Ø6,6.35,7.94, 8,9.53,10,12	±0.20	±0.10	0.280	205	£26.83
BG33	16.00	33.3	48.0	13.0	M4	53.0	9.00	86.0	1278	Ø8,9.53,10, 12,14,15,16	±0.20	±0.15	0.093	605	£36.25
BG41	20.00	41.3	50.8	16.7	M5	57.0	17.00	148.0	3327	Ø10,12,14,15, 16,18,19,20	±0.25	±0.15	0.048	1200	£41.61
BG50-18/18	25.40	50.0	59.6	20.6	M8	95.0	30.00	208.0	7550	Ø18 Both Sides	±0.25	±0.20	0.042	1375	£138.56
BG57-20/20	30.00	57.1	78.0	28.4	M8	150.0	44.00	361.0	12410	Ø20 Both Sides	±0.25	±0.20	0.022	2610	£143.59
CLAMP FIXING
BGC19	8.00	19.1	22.0	6.3	SPCL4.90	10.0	1.70	12.0	59	Ø4, 4.76, 6, 6.35, 8	±0.20	±0.10	0.500	115	£22.37
BGC25	12.00	25.4	28.4	8.6	M3	13.0	4.00	31.0	252	Ø6,6.35,8,9.53,10,12	±0.20	±0.10	0.280	205	£26.81
BGC33	16.00	33.3	48.0	13.0	M3	53.0	9.00	86.0	1133	Ø8,9.53,10, 12,14,15,16	±0.20	±0.15	0.093	605	£42.90
BGC41	20.00	41.3	50.8	16.7	M4	57.0	17.00	148.0	3177	Ø12,14,15.88, 16,18,19,20	±0.25	±0.15	0.048	1200	£50.23
BGC50-18/18	25.40	50.0	59.6	20.6	M5	95.0	30.00	208.0	7550	Ø18 Both Sides	±0.25	±0.20	0.042	1375	£145.51
BGC57-20/20	30.00	57.1	78.0	28.4	M6	150.0	44.00	361.0	12410	Ø20 Both Sides	±0.25	±0.20	0.022	2610	£146.56

Material
Hubs (BG6-13) Brass CZ 121 Chromate & passivate finish
Hubs (sizes 19-57): Aluminium Alloy 2011 T3/T8 Iridite NCP™
Disc: Black Acetal

Performance

Service Factor:
Peak torque select where figure is greater
than application torque x service factor.
* Can provide up to ± (ØD x 0.1) in extreme cases.

Duty	Service Factor
Momentary	1
1 hr per day	2
3 hrs per day	4
6 hrs per day	6
12 hrs per day	8

Maximum Speed: 3000 Rpm
Maximum Angular Offset: ±0.5° (at 3000 Rpm)
Operating Temp. Range: -20°C to +60°C

Other Info.
Backlash Free. Parallel out of line compensation.
Lubrication free. Compact and Detachable.
Angular, parallex and axial flexibility. Isolates vibration
and absorbs shock. No Corrosion.
Non-Magnetic. Low Inertia. Resonance. Dampening.
Electrical isolation between shafts >3kw
Other bore sizes available. Please ask for a quote
Price of Torque Disk only is 1/4 of Standard Price.

Downloads
PDF Documents : Catalogue Page